In the novel Frankenstein, the opening narrative is told through a series of letters that a Captain Walton writes to his sister, Margaret Saville.
Di dalam novel Frankenstein. Narasi pembukanya sudah mengatakan melalui setiap seri surat ialah Kapten Walton menulis untuk istrinya, Margaret Saville. Walton adalah penjelajah Samudera Artik.